12232203444 has 96 divisors (see below), whose sum is σ = 32089559040. Its totient is φ = 4029225984.

The previous prime is 12232203433. The next prime is 12232203449. The reversal of 12232203444 is 44430223221.

12232203444 is a `hidden beast` number, since 12 + 2 + 3 + 2 + 203 + 444 = 666.

It is a super-2 number, since 2×12232203444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232203449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4672824 + ... + 4675440.

It is an arithmetic number, because the mean of its divisors is an integer number (334266240).

Almost surely, 2^12232203444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232203444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16044779520).

12232203444 is an abundant number, since it is smaller than the sum of its proper divisors (19857355596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12232203444 is a wasteful number, since it uses less digits than its factorization.

12232203444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12232203444 its reverse (44430223221), we get a palindrome (56662426665).

The spelling of 12232203444 in words is "twelve billion, two hundred thirty-two million, two hundred three thousand, four hundred forty-four".